Techspedia™

Bike manufacturers big and small are breaking all their old rules to cater to a new generation of bike commuters. A dispatch from the reinvented world of the no-fuss two-wheeler.

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It’s the megaengineered geek machine everyone loves to hate. But with prices soaring at the pump, Segway sales are up at least 25 percent-and counting. Could personal transporters save gas and stop WMDs?

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Jamie Hyneman breaks down his team’s most recent eye-popping experiment: rolling out a Ferrari, Harley, ATV, compact car and hand-built go-kart to the track, and pitting each against its electric-propulsion counterpart.

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Out of service for 40 years, the SS United States still holds speed records. But what fate awaits this storied piece of naval history?

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We discover at an NSF summit that Minnesota’s new I-35W bridge may just as illustrative of good as its predecessor was of bad. Plus, proposing a micro-generator plug-in car, pitting in-flight Wi-Fi vs. cellphones and parachuting beyond Point Break.

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American infrastructure is in trouble, from collapsed bridges to leaking dams. In a yearlong investigation, Popular Mechanics uncovered the fresh ideas, smart engineering and new technology we need to fix it. Here’s the plan.

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No one can predict what bridge, levee or water main will fail next. But some problems are well known, and work is long overdue. As PM’s special report makes clear, we need to begin rebuilding the nation’s hardware somewhere. Here are 10 places to start.

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It didn’t take long out of the gates for the Suntory Mermaid II to prove its maiden voyage a success, since the goal of the journey is to prove that a boat relying solely on eco-friendly wave power can operate outside the confines of a lab.

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News of a cheaper, lighter rocket belt gets the sci-fi geek in all of us excited. But as even the three main players in the human-flight business admit to PM, serious technical issues, delays and lawsuits stand between jet-propelled hype and practical liftoff.

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Fractured gusset plates on Interstate 35W were a main cause of the Minneapolis tragedy, the NTSB said. Meanwhile, construction continues at its replacement, with redundancy, monitoring tech and super concrete set to make it maybe the safest bridge ever.

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